Analog-to-digital conversion means and associated lag compensate

Details Analog-to-digital conversion means and associated lag compensate Analog-to-digital conversion means and associated lag compensate

1976-11-08

1978-01-31

Gruber, Felix D.

Boots, shoes, and leggings

340347AD, 364571, 364558, G06J 100, H03K 1302

Patent

active

040719014

ABSTRACT:
A differentiating circuit comprising an operational amplifier with capacitance feedback utilizes an analog-to-digital integrator and a digital-to-analog converter in the feedback loop. Digital rate information is obtained by digitalizing the differentiator output while a digital signal indicative of the analog is obtained by summing the output of the integrator with a portion of the digital rate signal to compensate for lag occurring in the integrator output digital signal.

REFERENCES:
patent: 3541319 (1970-11-01), James
patent: 3633004 (1972-01-01), James
patent: 3882488 (1975-05-01), Kosakowski et al.
patent: 3974365 (1976-08-01), Johnson
patent: 3978414 (1976-08-01), Bober et al.
Scott: Analog and Digital Computer Technology Textbook, McGraw Hill Co., 1960, Differentiator Circuit, pp. 128-129 of interest.

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